Highlight photo elements using glaring color

I love effect when some element on grayscale photo is highlighted using bright color, for example lips or eyes color on the face, without changing element texture. I want to show how to do this in Adobe Photoshop CS2.

Using Blend Tool in Adobe Illustrator for creating watermark effect

Some time ago I neede to create some diploma with watermark elemets. I puzzled how to do this a long time, and found solution finally, it’s not so hard. Now I wanna to share my experience with community.